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Air India 787’s Emergency Turbine Deploys on Birmingham Approach, Prompting Regulator Probe

India’s aviation watchdog has ordered a detailed investigation, with pilots urging broader electrical-system checks after on-board data flagged a possible power-control fault.

Overview

  • Flight AI117 from Amritsar, a Boeing 787 registered VT-ANO, reported uncommanded Ram Air Turbine deployment at roughly 400–500 feet on final approach to Birmingham.
  • The aircraft landed safely with electrical and hydraulic parameters reported normal, and no injuries to passengers or crew.
  • Air India grounded the jet for inspection and cancelled return service AI114 to Delhi while arranging alternate travel for affected passengers.
  • DGCA officials said Boeing-recommended maintenance actions for uncommanded RAT deployment found no discrepancies and the aircraft is being released for service, with a detailed probe underway.
  • The Federation of Indian Pilots told the DGCA that Aircraft Health Monitoring indicated a Bus Power Control Unit fault and called for comprehensive checks of 787 electrical systems, as the AAIB’s June Ahmedabad crash investigation continues.